EP3268569B1 - Baggerkopf - Google Patents

Baggerkopf Download PDF

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Publication number
EP3268569B1
EP3268569B1 EP16719491.9A EP16719491A EP3268569B1 EP 3268569 B1 EP3268569 B1 EP 3268569B1 EP 16719491 A EP16719491 A EP 16719491A EP 3268569 B1 EP3268569 B1 EP 3268569B1
Authority
EP
European Patent Office
Prior art keywords
head
fact
main face
suction
openings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Revoked
Application number
EP16719491.9A
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English (en)
French (fr)
Other versions
EP3268569A1 (de
Inventor
Silvano PALMIERI
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PALMIERI SpA
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PALMIERI SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by PALMIERI SpA filed Critical PALMIERI SpA
Publication of EP3268569A1 publication Critical patent/EP3268569A1/de
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Publication of EP3268569B1 publication Critical patent/EP3268569B1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00—Sinking shafts
    • E21D1/03—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
    • E21D1/06—Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws with shaft-boring cutters

Definitions

  • the present invention relates to an excavating head.
  • excavating heads are known designed to work in a descending direction below the level of seas or rivers, or in terrestrial conditions in the presence of water tables.
  • the heads of known type are usually operated in rotation by means of a driving machine, which makes them rotate around a vertical axis gradually as the excavation progresses in depth.
  • heads are in use having a plate-shaped body with an upper face with a plurality of excavation tools arranged staggered with respect to the latter and a side opening crossed by a suction pipe able to aspirate the excavated material.
  • the main aim of the present invention is to devise an excavating head which allows removing large amounts of excavated material.
  • Another object of the present invention is to devise an excavating head which allows increasing the removal speed of the excavated material, considerably reducing working times and increasing the overall productivity of the head itself.
  • Another object of the present invention is to devise an excavating head which allows to overcome the mentioned drawbacks of the prior art within the ambit of a simple, rational, easy, effective to use and affordable solution.
  • reference number 1 globally indicates an excavating head.
  • the head 1, in particular, allows performing wet excavations.
  • wet excavations excavations that take place below the level of seas or rivers, or in terrestrial conditions in the presence of water tables.
  • the head 1 comprises an attachment element 2 to a driving machine to place the head itself in rotation.
  • the attachment element 2 is a flange with bolting holes 3.
  • the flange 2 can be coupled to a corresponding flanged plate 4 equipping the driving machine.
  • the placing in rotation takes place around a main axis 5 of the head 1, which also identifies the direction of excavation 6.
  • the main axis 5 is vertical and the direction of excavation 6 is downwards.
  • the direction of excavation 6 can be horizontal, in which case the head 1 is used in an operative configuration wherein the main axis 5 is horizontal.
  • the head 1 comprises a plate-shaped body 7 having a first main face 8 and a second main face 9.
  • the plate-shaped body 7 is a substantially circular plate coaxial to the main axis 5.
  • the first main face 8 is facing to the excavation front and the second main face 9 is opposite to the first main face 8 and is connected to the attachment element 2.
  • excavation front is meant the margin defined by the material to be excavated, along the direction of excavation 6.
  • the plate-shaped body 7 is substantially horizontal and the first main face 8 is lower than the second main face 9.
  • the head 1 comprises at least an excavation tool 10 associated with the plate-shaped body 7 so as to protrude at least in part from the first main face 8.
  • the plate-shaped body 7 comprises a plurality of tools 10.
  • the tools 10 have variable shape and size according to the type and dimensions of the excavation.
  • the tools 10 are composed of a substantially cylindrical or frusto-conical body having a sharp or abrasive outer surface.
  • the tools 10 are mounted idle on the plate-shaped body 7.
  • each tool 10 is associated with the plate-shaped body 7 by means of axial pins 11 separate and parallel to each other which allow its free rotation around a central axis of symmetry of the tool 10.
  • the tools 10 are arranged asymmetrically with respect to the main axis 5 and have axes of rotation with different inclinations according to their position on the plate-shaped body 7.
  • the tools 10 arranged in the proximity of the main axis 5 have the axis of rotation substantially coplanar to the first main face 8, whereas the tools 10 arranged peripherally to the plate-shaped body 7 have the axis of rotation inclined with respect the first main face 8, i.e. arranged neither vertically nor horizontally.
  • the tools 10 define an excavation plane 12 tangent to the tools themselves.
  • the excavation plane 12 in practice, consists in an imaginary plane which, in the operative configuration of the head 1, is substantially horizontal and tangent to the lower part of each tool 10.
  • the head 1 comprises suction means 13 of the excavated material associated with the plate-shaped body 7.
  • the suction means 13 comprise a plurality of through openings 14, 15 and crossing the plate-shaped body 7 between the first main face 8 and the second main face 9.
  • the tools 10 are at least partially housed within at least one of the through openings 14, 15.
  • each tool 10 is at least partially housed within one and only one corresponding through opening 14, 15 and emerges (i.e. protrudes) from the first main face 8 for at least one-twentieth of its volume.
  • the axial pins 11 of the tools 10 are arranged inside the through openings 14, 15 and the material excavated by the tools 10 is able to cross the plate-shaped body 7, passing in the space defined between the tools 10 and the inner walls of the through openings 14, 15.
  • the through openings 14, 15 comprise a plurality of first through openings 14, accommodating at least partially the tools 10, and at least a second through opening 15, clear of the tools 10.
  • the second through opening 15 has a projecting edge 16 protruding from the first main face 8.
  • the projecting edge 16 extends from the first main face 8 to a distance very close to the excavation plane 12.
  • the suction means 13 also comprise a hood-shaped element 17 having a suction mouth 18 adjacent to the second main face 9 and surrounding the through openings 14, 15.
  • the hood-shaped element 17 has a substantially frusto-conical shape wherein the suction mouth 18 defines the larger base of the truncated cone and is substantially circular.
  • the suction mouth 18 has a diameter more or less equal to the diameter of the plate-shaped body 7 and, therefore, surrounds and covers all through openings 14, 15 formed on the plate-shaped body itself.
  • the hood-shaped element 17 also comprises an outlet section 19 of the excavated material having a smaller surface extension than the suction mouth 18.
  • the suction mouth 18 is also circular and defines the smaller base of the truncated cone.
  • the hood-shaped element 17, the suction mouth 18 and the outlet section 19 are coaxial to the main axis 5.
  • suction means 13 comprise a suction tubular length 20 of the excavated material associated with the outlet section 19.
  • the suction tubular length 20 is associated on the top with the suction mouth 18.
  • the suction tubular length 20 of the head 1 is in fluid connection with a conveying tube 21 equipping the driving machine.
  • the conveying tube 21 is associated with the flanged plate 4 and permits to send the material from depth to the surface.
  • the suction means 13 comprise at least an air forced introduction pipe 22 in the suction tubular length 20 able to generate a suction force of the excavated material.
  • the suction means 13 comprise a plurality of air forced introduction pipes 22 arranged around the suction tubular length 20.
  • the forced introduction pipes 22 communicate on the top, i.e. at inlet, with blowing tubes 23 equipping the driving machine and on the bottom, i.e. at output, with the suction tubular length 20.
  • the pressurized air is introduced inside the suction tubular length 20, thus creating a differential pressure which causes the excavated material to lift inside the suction tubular length itself, this phenomenon being known to the person skilled in the art as reverse circulation (RCD).
  • RCD reverse circulation
  • the plate-shaped body 7 has a lateral perimeter of circular shape from which extends a shell 24 of substantially cylindrical shape, able to laterally protect the hood-shaped element 17.
  • the head 1 comprises control means 25 of the inclination of the plate-shaped body 7.
  • Said control means 25 are able to allow the control of the inclination of the plate-shaped body 7, during the excavation operations.
  • control means 25 comprise an oscillometer accommodated in the space between the hood-shaped element 17 and the shell 24.
  • the head 1 can comprise other monitoring devices of the excavation conditions, such as e.g. a thermometer, a hygrometer, or the like.
  • the head 1 is made to rotate by the operation of the driving machine.
  • the tools 10 are operated in rotation by means of the pressure of the head 1 against the excavation front.
  • the excavated material passes through the through openings 14, 15 and is suctioned by the hood-shaped element 17 along the suction tubular length 20, and then is made to exit through the conveying tube 21.

Claims (12)

  1. Aushubkopf (1), umfassend:
    - mindestens ein Anbringungselement (2) an einer Antriebsmaschine, um den Kopf (1) zum Drehen zu bringen,
    - mindestens einen plattenförmigen Körper (7), der mindestens eine erste Hauptfläche (8) und mindestens eine zweite Hauptfläche (9) hat, wobei die erste Hauptfläche (8) der Aushubfront zugewandt ist und die zweite Hauptfläche (9) der ersten Hauptfläche (8) gegenüberliegt und mit dem Anbringungselement (2) verbunden ist,
    - mindestens ein Aushubwerkzeug (10), das dem plattenförmigen Körper (7) zugeordnet ist, um zumindest teilweise von der ersten Hauptfläche (8) vorzustehen, und
    - Saugmittel (13) des ausgehobenen Materials, die dem plattenförmigen Körper (7) zugeordnet sind, umfassend:
    - mehrere Durchgangsöffnungen (14, 15), und die den plattenförmigen Körper (7) zwischen der ersten Hauptfläche (8) und der zweiten Hauptfläche (9) kreuzen,
    gekennzeichnet durch die Tatsache, dass das Saugmittel (13) mindestens ein haubenförmiges Element (17), das einen Saugmund (18) benachbart zu der zweiten Hauptfläche (9) und die Durchgangsöffnungen (14, 15) umgebend hat, und einen Auslassabschnitt (19) des ausgehobenen Materials, der eine Flächenerstreckung hat, die kleiner ist als der Saugmund (18), umfasst, und durch die Tatsache, dass die Saugmittel (13) eine Saugröhrenlänge (20) des ausgehobenen Materials umfassen, die dem Auslassabschnitt (19) zugeordnet ist.
  2. Kopf (1) nach Anspruch 1, gekennzeichnet durch die Tatsache, dass das Werkzeug (10) zumindest teilweise innerhalb mindestens einer der Durchgangsöffnungen (14, 15) untergebracht ist.
  3. Kopf (1) nach Anspruch 2, gekennzeichnet durch die Tatsache, dass das Werkzeug (10), das zumindest teilweise innerhalb mindestens einer der Öffnungen (14, 15) untergebracht ist, aus der ersten Hauptfläche (8) um mindestens ein Zwanzigstel seines Volumens hervortritt.
  4. Kopf (1) nach einem oder mehreren der vorhergehenden Ansprüche, gekennzeichnet durch die Tatsache, dass er mehrere der Werkzeuge (10) umfasst, von denen jedes zumindest teilweise innerhalb einer der Durchgangsöffnungen (14, 15) untergebracht ist.
  5. Kopf (1) nach Anspruch 4, gekennzeichnet durch die Tatsache, dass die Durchgangsöffnungen (14, 15) mehrere erste Durchgangsöffnungen (14), die zumindest teilweise die Werkzeuge (10) aufnehmen, und mindestens eine zweite Durchgangsöffnung (15), die frei von den Werkzeugen (10) ist, umfassen.
  6. Kopf (1) nach Anspruch 5, gekennzeichnet durch die Tatsache, dass die zweite Durchgangsöffnung (15) einen vorstehenden Rand (16) von der ersten Hauptfläche (8) hat.
  7. Kopf (1) nach einem oder mehreren der vorhergehenden Ansprüche, gekennzeichnet durch die Tatsache, dass das haubenförmige Element (17) eine im Wesentlichen kegelstumpfförmige Form hat.
  8. Kopf (1) nach Anspruch 1, gekennzeichnet durch die Tatsache, dass die Saugmittel (13) mindestens ein Luftkraft-Einführungsrohr (22) in der Saugröhrenlänge (20) umfassen, das imstande ist eine Saugkraft des ausgehobenen Materials zu erzeugen.
  9. Kopf (1) nach Anspruch 8, gekennzeichnet durch die Tatsache, dass die Saugmittel (13) mehrere der Luftkraft-Einführungsrohre (22) umfassen, die um die Saugröhrenlänge (20) angeordnet sind.
  10. Kopf (1) nach einem oder mehreren der vorhergehenden Ansprüche, gekennzeichnet durch die Tatsache, dass der plattenförmige Körper (7) einen seitlichen Umfang von kreisförmiger Form hat, von dem sich eine Hülle (24) von im Wesentlichen zylindrischer Form zum seitlichen Schutz des haubenförmigen Elements (17) erstreckt.
  11. Kopf (1) nach einem oder mehreren der vorhergehenden Ansprüche, gekennzeichnet durch die Tatsache, dass er Steuermittel (25) zur Neigung des plattenförmigen Körpers (7) umfasst.
  12. Kopf (1) nach Anspruch 10 und 11, gekennzeichnet durch die Tatsache, dass die Steuermittel (25) ein Oszillometer umfassen, das in dem Raum zwischen dem haubenförmigen Element (17) und der Hülle (24) aufgenommen ist.
EP16719491.9A 2015-03-12 2016-03-11 Baggerkopf Revoked EP3268569B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMO20150056 2015-03-12
PCT/IB2016/051387 WO2016142910A1 (en) 2015-03-12 2016-03-11 Excavating head

Publications (2)

Publication Number Publication Date
EP3268569A1 EP3268569A1 (de) 2018-01-17
EP3268569B1 true EP3268569B1 (de) 2019-05-08

Family

ID=53177803

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16719491.9A Revoked EP3268569B1 (de) 2015-03-12 2016-03-11 Baggerkopf

Country Status (2)

Country Link
EP (1) EP3268569B1 (de)
WO (1) WO2016142910A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019120019A1 (de) * 2019-07-24 2021-01-28 Herrenknecht Ag Bohrkopf für das Erstellen einer Bohrung im Boden

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3384191A (en) 1965-08-13 1968-05-21 Reed Roller Bit Co Drill bit
US4195700A (en) 1978-08-14 1980-04-01 Smith International, Inc. Large diameter bit with sweep pickup
US4200160A (en) 1978-03-13 1980-04-29 Smith International, Inc. Sweep pickup for a big hole bit
DE3302117C2 (de) 1982-12-22 1990-01-25 Salzgitter Maschinenbau Gmbh, 3320 Salzgitter, De
DE4113208A1 (de) 1991-04-23 1992-10-29 Herrenknecht Gmbh Tunnelvortriebsmaschine
DE19626589C1 (de) 1996-07-02 1998-02-12 Wirth Co Kg Masch Bohr Verfahren zum Niederbringen von Bohrlöchern im Lockergestein und Bohrwerkzeug zur Anwendung des Verfahrens
DE19626591C1 (de) 1996-07-02 1998-04-16 Wirth Co Kg Masch Bohr Verfahren zum Niederbringen von Bohrungen im Erdreich unter Austrag des Bohrgutes nach dem Lufthebeverfahren und Bohrwerkzeug zur Anwendung des Verfahrens
DE102006026561B3 (de) 2006-06-06 2008-01-03 Herrenknecht Ag Nordsucher für eine Tunnelvortriebsmaschine
KR20110133517A (ko) 2010-06-05 2011-12-13 유재호 신 수직갱 굴착장치 및 확공 굴착방법
DE102012004762A1 (de) 2012-03-08 2013-09-12 Rüdiger Kögler Vorrichtung zum Aufweiten eines Bohrlochs auf einen größeren Durchmesser und zum gleichzeitigen Verlegen einer Rohrleitung in das aufgeweitete Bohrloch
KR101401981B1 (ko) 2012-12-27 2014-05-30 (주)성풍건설 수직갱 굴착장치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967463A (en) * 1974-08-05 1976-07-06 The Robbins Company Continuous tunnel boring machine and method
US5626201A (en) * 1993-09-20 1997-05-06 Excavation Engineering Associates, Inc. Disc cutter and method of replacing disc cutters
CN101936169B (zh) * 2010-08-24 2011-12-07 中铁隧道装备制造有限公司 软岩盾构机中具有小范围变径功能的切削装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3384191A (en) 1965-08-13 1968-05-21 Reed Roller Bit Co Drill bit
US4200160A (en) 1978-03-13 1980-04-29 Smith International, Inc. Sweep pickup for a big hole bit
US4195700A (en) 1978-08-14 1980-04-01 Smith International, Inc. Large diameter bit with sweep pickup
DE3302117C2 (de) 1982-12-22 1990-01-25 Salzgitter Maschinenbau Gmbh, 3320 Salzgitter, De
DE4113208A1 (de) 1991-04-23 1992-10-29 Herrenknecht Gmbh Tunnelvortriebsmaschine
DE19626589C1 (de) 1996-07-02 1998-02-12 Wirth Co Kg Masch Bohr Verfahren zum Niederbringen von Bohrlöchern im Lockergestein und Bohrwerkzeug zur Anwendung des Verfahrens
DE19626591C1 (de) 1996-07-02 1998-04-16 Wirth Co Kg Masch Bohr Verfahren zum Niederbringen von Bohrungen im Erdreich unter Austrag des Bohrgutes nach dem Lufthebeverfahren und Bohrwerkzeug zur Anwendung des Verfahrens
DE102006026561B3 (de) 2006-06-06 2008-01-03 Herrenknecht Ag Nordsucher für eine Tunnelvortriebsmaschine
KR20110133517A (ko) 2010-06-05 2011-12-13 유재호 신 수직갱 굴착장치 및 확공 굴착방법
DE102012004762A1 (de) 2012-03-08 2013-09-12 Rüdiger Kögler Vorrichtung zum Aufweiten eines Bohrlochs auf einen größeren Durchmesser und zum gleichzeitigen Verlegen einer Rohrleitung in das aufgeweitete Bohrloch
KR101401981B1 (ko) 2012-12-27 2014-05-30 (주)성풍건설 수직갱 굴착장치

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ANONYMUS: "Kompendium Die Geheimnisse der Neigungsmesstechnik", WYLER AG, 1 January 2013 (2013-01-01), XP055684399

Also Published As

Publication number Publication date
EP3268569A1 (de) 2018-01-17
WO2016142910A1 (en) 2016-09-15

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